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<title data-rh="true">Component | LangFlow Documentation</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://logspace-ai.github.io/components"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="Component | LangFlow Documentation"><meta data-rh="true" name="description" content="Components are the building blocks of the flows. They are made of inputs, outputs, and parameters that define their functionality, providing a convenient and straightforward way to compose LLM-based applications. Learn more about components and how they work in the LangChain documentation section."><meta data-rh="true" property="og:description" content="Components are the building blocks of the flows. They are made of inputs, outputs, and parameters that define their functionality, providing a convenient and straightforward way to compose LLM-based applications. Learn more about components and how they work in the LangChain documentation section."><link data-rh="true" rel="icon" href="/img/favicon.ico"><link data-rh="true" rel="canonical" href="https://logspace-ai.github.io/components"><link data-rh="true" rel="alternate" href="https://logspace-ai.github.io/components" hreflang="en"><link data-rh="true" rel="alternate" href="https://logspace-ai.github.io/components" hreflang="x-default"><link rel="stylesheet" href="/assets/css/styles.637935cb.css">
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<div role="region" aria-label="Skip to main content"><a class="skipToContent_fXgn" href="#__docusaurus_skipToContent_fallback">Skip to main content</a></div><div class="announcementBar_mb4j" style="background-color:#B53D38;color:#fff" role="banner"><div class="content_knG7 announcementBarContent_xLdY">⭐️ If you like ⛓️LangFlow, star it on <a target="_blank" rel="noopener noreferrer" href="https://github.com/logspace-ai/langflow">GitHub</a>! ⭐️</div></div><nav aria-label="Main" class="navbar navbar--fixed-top navbarHideable_m1mJ"><div class="navbar__inner"><div class="navbar__items"><button aria-label="Toggle navigation bar" aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg width="30" height="30" viewBox="0 0 30 30" aria-hidden="true"><path stroke="currentColor" stroke-linecap="round" stroke-miterlimit="10" stroke-width="2" d="M4 7h22M4 15h22M4 23h22"></path></svg></button><a class="navbar__brand" href="/"><div class="navbar__logo"><img src="/img/chain.png" 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class="theme-doc-sidebar-container docSidebarContainer_b6E3"><div class="sidebarViewport_Xe31"><div class="sidebar_njMd sidebarWithHideableNavbar_wUlq"><a tabindex="-1" class="sidebarLogo_isFc" href="/"><img src="/img/chain.png" alt="LangFlow" class="themedImage_ToTc themedImage--light_HNdA"><img src="/img/chain.png" alt="LangFlow" class="themedImage_ToTc themedImage--dark_i4oU"><b>LangFlow</b></a><nav aria-label="Docs sidebar" class="menu thin-scrollbar menu_SIkG menuWithAnnouncementBar_GW3s"><ul class="theme-doc-sidebar-menu menu__list"><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="true" href="/">Getting Started</a></div><ul style="display:block;overflow:visible;height:auto" class="menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" 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class="docMainContainer_gTbr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Guidelines</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Component</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>Component</h1><p>Components are the building blocks of the flows. They are made of inputs, outputs, and parameters that define their functionality, providing a convenient and straightforward way to compose LLM-based applications. Learn more about components and how they work in the LangChain <a href="https://docs.langchain.com/docs/category/components" target="_blank" rel="noopener noreferrer">documentation</a> section.</p><h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="components-features">Component's Features<a href="#components-features" class="hash-link" aria-label="Direct link to Component's Features" title="Direct link to Component's Features"></a></h3><div style="margin-bottom:20px">During the flow creation process, you will notice handles (colored circles) attached to one or both sides of a component. These handles represent the availability to connect to other components, while their colors are type hints (hover over a handle to see connection details).</div><div style="margin-bottom:20px">For example, if you select a <code>ConversationChain</code> component, you will see orange <span style="color:orange">o</span> and purple <span style="color:purple">o</span> input handles. They indicate that this component accepts an LLM and a Memory component as inputs. The red asterisk <span style="color:red">*</span> means that at least one input of that type is required.</div><div style="margin-bottom:20px;display:flex;justify-content:center"><div class="zoomable-image"><img src="/img/single-compenent.png" alt="Docusaurus themed image" class="themedImage_ToTc themedImage--light_HNdA zoomable-image-inner"><img alt="Docusaurus themed image" class="themedImage_ToTc themedImage--dark_i4oU zoomable-image-inner"></div></div><div style="margin-bottom:20px">On the top right corner, you will find the component status icon 🔴. Make the necessary connections, build the flow (⚡ zap icon on the bottom right of the canvas) and once the validation is completed, the status of each validated component should light green 🟢. Hover over the component status to reveal the outputs going through it in case of success, or the detected error in case of failure.</div><hr><h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="components-parameters">Component's Parameters<a href="#components-parameters" class="hash-link" aria-label="Direct link to Component's Parameters" title="Direct link to Component's Parameters"></a></h3><p>LangFlow components can be edited in the component settings button. Hide parameters to reduce complexity and keep the canvas clean and intuitive for experimentation.</p><div style="margin-bottom:20px;display:flex;justify-content:center"><div style="width:640px;height:360px"></div></div></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/creating-flows"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">🎨 Creating Flows</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/features"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Features</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#components-features" class="table-of-contents__link toc-highlight">Component's Features</a></li><li><a href="#components-parameters" class="table-of-contents__link toc-highlight">Component's Parameters</a></li></ul></div></div></div></div></main></div></div><footer class="footer"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2023 Logspace.</div></div></div></footer><div style="background-color:#010810" class="ms-rotate-0 ms-fixed ms-bottom-4 ms-right-8 ms-z-[100] ms-flex ms-flex-col ms-items-center ms-justify-center ms-rounded-md ms-p-2 ms-transition"><div class="ms-rotate-0 ms-flex ms-h-full ms-w-full ms-transform ms-cursor-pointer ms-items-center ms-justify-center ms-rounded-full ms-transition-all ms-delay-75 ms-duration-100 ms-ease-in-out"><div style="color:#ffffff;font-size:22px;width:48px;height:48px;margin:0px;padding:0px;display:flex;align-items:center;justify-content:center;text-align:center"><img src="img/chain.png" style="width:40px"></div></div><div style="color:#ffffff" class="ms-rounded-md ms-bg-white ms-bg-opacity-10 ms-p-1 ms-text-base ms-text-sm ms-transition-all ms-delay-75 ms-mt-2 ms-scale-100">CTRL + K</div></div></div>
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